$(function(){
	var $strClass = $('.online-main-middle ul li .dottedLine');
	var i = 0;
	var onlineTimer = window.setInterval(function(){
		i = i%$strClass.length;
		$strClass.removeClass('scaleClass');
		$strClass.eq(i).addClass('scaleClass')		 
		i++;
	},2000)		 
})


